package nineteen;

import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.util.Set;
import java.util.TreeSet;

/**
 * 利用反射机制探寻Enum中的values()方法
 *
 * @author sun.ye
 * @since 2020-05-01 16:32
 */
public class Reflection {

    public static Set<String> analyze(Class<?> enumClass){
        System.out.println("--- Analyzing " + enumClass + " ---" );
        System.out.println("Interfaces:");
        for (Type t : enumClass.getGenericInterfaces()) {
            System.out.println(t);
        }
        System.out.println("Base: " + enumClass.getSuperclass());
        System.out.println("Methods: ");
        Set<String> methods = new TreeSet<String>();
        for (Method m  : enumClass.getMethods() ) {
            methods.add(m.getName());
        }
        System.out.println(methods);
        return methods;
    }

    public static void main(String[] args) {
        Set<String> exploreMethods = analyze(Explore.class);
        Set<String> enumMethods = analyze(Enum.class);
        System.out.println("Explore.containsAll(Enum) ? " + exploreMethods.containsAll(enumMethods));
        System.out.println("Explore.removeAll(Enum) : ");
        exploreMethods.removeAll(enumMethods);
        System.out.println(exploreMethods);
    }


}

enum Explore{
    HERE,THERE
}